Helianthus grosseserratus M. Martens (Q2755)
Helianthus grosseserratus is a taxon with the rank species within the genus Helianthus
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Helianthus grosseserratus M. Martens
|
Helianthus grosseserratus is a taxon with the rank species within the genus Helianthus
|
Statements
taxon/id/Helianthus grosseserratus M. Martens
0 references
Helianthus grosseserratus M. Martens
Helianthus grosseserratus
M. Martens
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
1 reference
CA-BC
1 reference
Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
CA-ON
present
introduced
1 reference
Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-QC
present
introduced
1 reference
Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-ON
1 reference
CA-QC
1 reference
US-AR
1 reference
US-CT
1 reference
US-DE
1 reference
US-DC
1 reference
US-GA
1 reference
US-IL
1 reference
US-IN
1 reference
US-IA
1 reference
US-KS
1 reference
US-KY
1 reference
US-LA
1 reference
US-ME
1 reference
US-MD
1 reference
US-MA
1 reference
US-MI
1 reference
US-MN
1 reference
US-MS
1 reference
US-MO
1 reference
US-NE
1 reference
US-NH
1 reference
US-NJ
1 reference
US-NY
1 reference
US-NC
1 reference
US-ND
1 reference
US-OH
1 reference
US-OK
1 reference
US-PA
1 reference
US-SD
1 reference
US-TN
1 reference
US-TX
1 reference
US-VA
1 reference
US-WA
1 reference
US-WV
1 reference
US-WI
1 reference
10–300+ m
10 meter
300 meter
1 reference
Stems erect, glabrous proximally, distally glabrate, scabrellous, or strigillose (glaucous).
1 reference
opposite (proximal) or alternate;
1 reference
petioles (1–) 2–5 cm;
1 reference
blades (light to dark green, 3-nerved distal to bases) lanceolate to lanceovate, 10–32 × (1.2–) 4–9 cm, bases cuneate, margins usually coarsely to shallowly serrate, rarely subentire (flat), abaxial faces puberulent to tomentulose, glanddotted.
1 reference
Peduncles 0.3–10 cm.
1 reference
Involucres broadly hemispheric, 15–25 mm diam.
1 reference
Phyllaries 25–30 (loose, spreading), lance-linear, 10–14 × 1.5–2.5 mm (subequal), (margins ± ciliate) apices attenuate, abaxial faces glabrous or puberulent, not glanddotted.
1 reference
Paleae 7–8 mm, entire or 3-toothed (apices acuminate, ± hairy).
1 reference
Ray-florets 14–20;
1 reference
laminae 23–40 mm.
1 reference
Disc-florets 100+;
1 reference
corollas 5–6 mm, lobes yellow;
1 reference
anthers dark-brown to black, appendages yellow.
1 reference
Cypselae 3–4 mm, glabrate;
1 reference
pappi of 2 aristate scales 1.9–2.5 mm. 2n = 34.
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference